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GEOREF RECORD

Structural geometry and time-relation of metamorphic recrystallization to deformation in the Precambrian rocks near Simulpal, eastern India

D. Mukhopadhyay and S. Sengupta
Structural geometry and time-relation of metamorphic recrystallization to deformation in the Precambrian rocks near Simulpal, eastern India
Geological Society of America Bulletin (1971) 82 (8): 2251-2260

Abstract

Three phases of deformation are recognized in the Simulpal area. The regional schistosity which was hitherto regarded as the earliest deformation structure in Singhbhum is shown to be a second generation structure preceded by a phase of isoclinal folding. The presence of a first generation easterly closing synclinorium, possibly complementary to the Singhbhum anticlinorium, is suggested. The main peak of regional metamorphism was attained after the second deformation and the earliest deformation was accompanied by only a low grade of metamorphism.


ISSN: 0016-7606
EISSN: 1943-2674
Coden: BUGMAF
Serial Title: Geological Society of America Bulletin
Serial Volume: 82
Serial Issue: 8
Title: Structural geometry and time-relation of metamorphic recrystallization to deformation in the Precambrian rocks near Simulpal, eastern India
Pages: 2251-2260
Published: 1971
Text Language: English
Publisher: Geological Society of America (GSA), Boulder, CO, United States
Accession Number: 1971-028230
Categories: Structural geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. (incl. sketch maps)
N21°30'00" - N27°10'00", E85°40'00" - E90°00'00"
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2019, American Geosciences Institute.
Update Code: 1971
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